51759779 has 2 divisors, whose sum is σ = 51759780. Its totient is φ = 51759778.

The previous prime is 51759749. The next prime is 51759793. The reversal of 51759779 is 97795715.

51759779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51759779 - 2¹⁶ = 51694243 is a prime.

It is not a weakly prime, because it can be changed into another prime (51759749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25879889 + 25879890.

It is an arithmetic number, because the mean of its divisors is an integer number (25879890).

Almost surely, 2^51759779 is an apocalyptic number.

51759779 is a deficient number, since it is larger than the sum of its proper divisors (1).

51759779 is an equidigital number, since it uses as much as digits as its factorization.

51759779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 694575, while the sum is 50.

The square root of 51759779 is about 7194.4269403476. The cubic root of 51759779 is about 372.6754670828.

The spelling of 51759779 in words is "fifty-one million, seven hundred fifty-nine thousand, seven hundred seventy-nine".